
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>sessiopn内置对象计数器</title>
</head>
<body>
<%
    int Num = 0;
%>
<%
    if(session.isNew()){
        Num +=1;
        session.setAttribute("Num",Num);
    }
%>
<h1>session计数器</h1>
<br>
<p>
    您是第
    <%=
        session.getAttribute("Num")
    %>
    个访本站的用户
</p>
</body>
</html>